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Citation: CAO Qi, LIU Peng-Sheng. On the Hydrolytic Stability of Polybutadiene Based Polyurethane Elastomers[J]. Chinese Journal of Applied Chemistry, ;2004, 21(11): 1199-1201. shu

On the Hydrolytic Stability of Polybutadiene Based Polyurethane Elastomers

CAO Qi ^, ,
LIU Peng-Sheng

1.
College of Chemistry, Xiangtan University, Xiangtan 411105

Corresponding author: CAO Qi,
Received Date: 31 December 2003
Available Online: 19 April 2004

The effects of type and amount of chain extenders, hydroxyl terminated polybutadiene(HTPB) of different molecular weights and filler on the hydrolytic stability of polybutadiene based polyurethane elastomer were studied. The results showed that the stability of HTPB-PU was improved by addition of chain extenders, especially butanediol and 1,6-hexanediol. The more the amount of the extender, and the lower the molecular weight of HTPB, the higher the hydrolytic stability. The stability of HTPB-PU could be improved also by addition of inorganic fillers.
- hydroxyl terminated polybutadiene,
- polyurethane elastomers,
- hydrolytic stability,
- chain extender,
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